1834 - Thomas Davenport of Vermont developed the first real electric motor ('real' meaning powerful enough to do a task) although Joseph Henry and Michael Faraday created early motion devices using electromagnetic fields.
Below is a more detailed usage of operating systems according to age group: 18 to 34 years old. Of all the smartphone users, 50% use Android as operating system, 43% use iPhone, 39% use Microsoft and 38% use RIM. Apparently, more users prefer Android.
Operating systems are there from the very first computer generation. Operating systems keep evolving over the period of. time. Following are few of the important types of operating system which are most commonly used. Batch operating system. The users of batch operating system do not interact with the computer directly. Each user prepares his job on an off-line. device like punch cards and submits it to the computer operator.